<?php
/**
 * Created by JetBrains PhpStorm.
 * User: Ha Anh Son
 * Date: 3/28/13
 * Time: 5:37 PM
 * To change this template use File | Settings | File Templates.
 */
$arr = array('a'=>'first', 'b'=>'second', 'c'=>'third');
foreach ($arr as &$a); // do nothing. maybe?
foreach ($arr as $a);  // do nothing. maybe?
print_r($arr);